decrease the size of Sql backup files

Hi,
I am looking for sql tool that it could shrink the sql data backup and log
files size.
I know one software called litespeed. There is any more good software that
could do the same function as litespeed does?
Thanks,Sonasafe by SonaSoft
SQL Safe by Idera
SQL Backup by Red Gate Software|||thanks,
"mecn" <mecn2002@.yahoo.com> wrote in message
news:Ob9yTYNLGHA.1424@.TK2MSFTNGP12.phx.gbl...
> Hi,
> I am looking for sql tool that it could shrink the sql data backup and log
> files size.
> I know one software called litespeed. There is any more good software that
> could do the same function as litespeed does?
> Thanks,
>